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Applied Optoelectronics, Inc.

AAOI
Exchange
Nasdaq
Industry
Semiconductors & Related Devices
SEC CIK
0001158114

In the last 90 days, Applied Optoelectronics, Inc. insiders filed 0 open-market purchases and 7 sales; 483 institutions reported holding it in 13F filings for Q2 2026, worth $7.56B in total; superinvestors Greenwoods Asset Management and Maverick Capital hold it.

13F holders, Q2 2026

Institutional positions in Applied Optoelectronics, Inc. as of Jun 30, 2026. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works

Institutional holders
483
+113 vs. Q1 2026
Shares held
51.0M
−1.99M (−3.8%) vs. Q1 2026
Total value
$7.56B
+$3.08B (+68.7%) vs. Q1 2026
New holders
176
137 more added
Sold out
63
144 more reduced

6 institutions that held it in Q1 2026 haven't filed for Q2 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q1 2026: new holders, sold out and not filed yet

Holders and value by quarter

Institutions reporting AAOI on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.

Institutional holdersQ2 2026: 483 institutions
Q1 2021: 110 institutionsQ2 2021: 108 institutionsQ3 2021: 102 institutionsQ4 2021: 86 institutionsQ1 2022: 70 institutionsQ2 2022: 63 institutionsQ3 2022: 62 institutionsQ4 2022: 62 institutionsQ1 2023: 52 institutionsQ2 2023: 55 institutionsQ3 2023: 77 institutionsQ4 2023: 103 institutionsQ1 2024: 119 institutionsQ2 2024: 134 institutionsQ3 2024: 140 institutionsQ4 2024: 157 institutionsQ1 2025: 147 institutionsQ2 2025: 147 institutionsQ3 2025: 180 institutionsQ4 2025: 220 institutionsQ1 2026: 376 institutionsQ2 2026: 483 institutions
Value heldQ2 2026: $7.56B
Q1 2021: $117.8MQ2 2021: $111.9MQ3 2021: $96.7MQ4 2021: $55.7MQ1 2022: $35.6MQ2 2022: $14.7MQ3 2022: $25.2MQ4 2022: $17.5MQ1 2023: $19.4MQ2 2023: $71.8MQ3 2023: $171.9MQ4 2023: $455.8MQ1 2024: $397.3MQ2 2024: $242.1MQ3 2024: $421.7MQ4 2024: $1.13BQ1 2025: $477.5MQ2 2025: $848.5MQ3 2025: $1.03BQ4 2025: $1.67BQ1 2026: $4.49BQ2 2026: $7.56B
Institutions holding AAOI and their total value by quarter
QuarterHoldersValue
Q2 2026483$7.56B
Q1 2026376$4.49B
Q4 2025220$1.67B
Q3 2025180$1.03B
Q2 2025147$848.5M
Q1 2025147$477.5M
Q4 2024157$1.13B
Q3 2024140$421.7M
Q2 2024134$242.1M
Q1 2024119$397.3M
Q4 2023103$455.8M
Q3 202377$171.9M
Q2 202355$71.8M
Q1 202352$19.4M
Q4 202262$17.5M
Q3 202262$25.2M
Q2 202263$14.7M
Q1 202270$35.6M
Q4 202186$55.7M
Q3 2021102$96.7M
Q2 2021108$111.9M
Q1 2021110$117.8M

Institutions, Q2 2026

Shares, value and share of portfolio for each institution holding Applied Optoelectronics, Inc.; share changes are against Q1 2026.

Institutions holding AAOI in Q2 2026
InstitutionSharesValue% of portfolioChange in sharesAction
BlackRock, Inc.6,450,270$955.7M0.01%−742,059−10.3%Reduced
Invesco Ltd.3,414,262$505.9M0.04%+1,399,857+69.5%Added
Vanguard Capital Management LLC3,363,001$498.3M0.01%+301,479+9.8%Added
Marex Group plc2,830,272$419.3M3.12%+2,541,105+878.8%Added
Vanguard Portfolio Management LLC2,651,718$392.9M0.02%+849,835+47.2%Added
UBS Group AG2,111,464$312.8M0.05%+1,140,720+117.5%Added
Oberweis Asset Management Inc1,791,127$265.4M5.48%−558,842−23.8%Reduced
Geode Capital Management, LLC1,670,936$247.6M0.01%+49,631+3.1%Added
Value Aligned Research Advisors, LLC1,595,124$236.3M1.41%+327,186+25.8%Added
Goldman Sachs Group Inc1,586,453$235.0M0.02%+501,689+46.2%Added
State Street Corp1,497,617$221.9M0.01%−146,676−8.9%Reduced
Hood River Capital Management LLC1,392,510$206.3M1.50%+116,991+9.2%Added
Clear Street Group Inc.1,231,143$182.4M0.58%+1,231,143New
Morgan Stanley1,115,138$165.2M0.01%+387,572+53.3%Added
JPMorgan Chase & Co1,068,246$160.9M0.01%−42,886−3.9%Reduced
Frontier Capital Management Co LLC975,318$144.5M1.35%+691,172+243.2%Added
Susquehanna International Group, LLP648,986$96.2M0.09%+562,013+646.2%Added
Jane Street Group, LLC563,557$83.5M0.05%−1,715,761−75.3%Reduced
William Blair Investment Management, LLC504,202$74.7M0.22%+504,202New
Vanguard Fiduciary Trust Co488,922$72.4M0.02%+41,240+9.2%Added
Charles Schwab Investment Management Inc476,027$70.5M0.01%−56,201−10.6%Reduced
Northern Trust Corp417,720$61.9M0.01%−165,774−28.4%Reduced
Capula Management Ltd380,749$56.4M0.25%+380,749New
Gilder Gagnon Howe & Co LLC343,014$50.8M0.52%−112,361−24.7%Reduced
Dimensional Fund Advisors LP309,932$45.9M0.01%+380.0%Added
Colony Group, LLC286,179$42.4M0.04%−92,883−24.5%Reduced
Steward Partners Investment Advisory, LLC270,751$40.1M0.20%−1,238−0.5%Reduced
BNP Paribas Arbitrage, SA252,013$37.3M0.02%+232,564+1,195.8%Added
Westfield Capital Management Co LP249,553$37.0M0.12%+249,553New
Wellington Management Group LLP244,081$36.2M0.01%−13,627−5.3%Reduced
Victory Capital Management Inc243,197$36.0M0.02%+191,563+371.0%Added
Neuberger Berman Group LLC242,612$35.9M0.02%−274,729−53.1%Reduced
Raymond James Financial Inc235,127$34.8M0.01%−498,569−68.0%Reduced
Bank of America Corp227,539$33.7M0.00%−13,347−5.5%Reduced
IMC-Chicago, LLC223,442$33.1M0.30%+112,526+101.5%Added
Bank of New York Mellon Corp219,812$32.6M0.01%+48,854+28.6%Added
Emerald Advisers, LLC211,574$31.3M0.74%−222,308−51.2%Reduced
Ameriprise Financial Inc211,480$31.3M0.01%−62,643−22.9%Reduced
Canada Pension Plan Investment Board188,500$27.9M0.02%+188,500New
Marshall Wace, LLP181,389$26.9M0.02%+1,967+1.1%Added
Nuveen, LLC181,377$26.9M0.01%−200,994−52.6%Reduced
Balyasny Asset Management LLC175,683$26.0M0.05%−293,187−62.5%Reduced
Voya Investment Management LLC162,017$24.0M0.02%−78,693−32.7%Reduced
Oak Grove Capital LLC159,150$23.6M1.73%+122,100+329.6%Added
UBS Asset Management Americas Inc158,204$23.4M0.00%+52,728+50.0%Added
UNICOM Systems, Inc.152,483$22.6M1.47%+83,892+122.3%Added
Weiss Asset Management LP151,868$22.5M0.25%+151,868New
Swiss National Bank148,000$21.9M0.01%+19,700+15.4%Added
Jain Global LLC145,938$21.6M0.25%+67,298+85.6%Added
Kennedy Capital Management, Inc.143,000$21.2M0.38%−136,144−48.8%Reduced
Driehaus Capital Management LLC139,416$20.7M0.12%−492,921−78.0%Reduced
Emerald Mutual Fund Advisers Trust136,959$20.3M0.71%−134,801−49.6%Reduced
Norges Bank131,200$19.4M0.00%+131,200New
Shellback Capital, LP131,004$19.4M1.70%+66,004+101.5%Added
First Trust Advisors LP129,769$19.2M0.01%−86,496−40.0%Reduced
Millennium Management LLC126,326$18.7M0.01%+29,918+31.0%Added
Funde Sino Life Insurance Co Ltd120,306$17.8M5.81%+120,306New
Royal Bank of Canada114,758$17.0M0.00%−13,213−10.3%Reduced
Squarepoint Ops LLC114,429$17.0M0.03%−381,369−76.9%Reduced
Price T Rowe Associates Inc110,933$16.4M0.00%−1,621,448−93.6%Reduced
Algert Global LLC110,843$16.4M0.19%+4,208+3.9%Added
Group One Trading, L.P.110,362$16.4M0.47%−25,610−18.8%Reduced
Silvercrest Asset Management Group LLC106,911$15.8M0.10%−38,837−26.6%Reduced
Lord, Abbett & Co. LLC103,700$15.4M0.04%+49,096+89.9%Added
Fred Alger Management, LLC101,831$15.1M0.05%+101,831New
Federated Hermes, Inc.100,296$14.9M0.02%+100,062+42,761.5%Added
SEI Investments Co89,584$13.3M0.01%−69,287−43.6%Reduced
California State Teachers Retirement System85,592$12.7M0.01%+15,128+21.5%Added
Nomura Holdings Inc83,298$12.3M0.05%+83,298New
Commonwealth Equity Services, LLC77,213$11.4M0.01%−12,456−13.9%Reduced
1492 Capital Management LLC76,405$11.3M3.34%−48,731−38.9%Reduced
Rhumbline Advisers75,872$11.2M0.01%−5,312−6.5%Reduced
Citadel Advisors LLC72,798$10.8M0.01%−348,205−82.7%Reduced
Assenagon Asset Management S.A.72,164$10.7M0.01%+23,402+48.0%Added
Zweig-DiMenna Associates LLC71,835$10.6M0.97%−8,215−10.3%Reduced
Fifth Third Bancorp70,932$10.5M0.02%+51,607+267.0%Added
Russell Investments Group, Ltd.69,926$10.4M0.01%+34,236+95.9%Added
Global Trust Asset Management, LLC69,849$10.3M3.24%+10,287+17.3%Added
Legal & General Group Plc63,555$9.42M0.00%−1,243−1.9%Reduced
Axiom Investors LLC63,178$9.36M0.08%−31,837−33.5%Reduced
State Board of Administration of Florida Retirement System61,806$9.16M0.02%+46,767+311.0%Added
Citigroup Inc60,912$9.02M0.00%−89,414−59.5%Reduced
Tudor Investment Corp Et Al60,695$8.99M0.04%−382,086−86.3%Reduced
T. Rowe Price Investment Management, Inc.59,087$8.76M0.01%−584,058−90.8%Reduced
FirstWave Capital Management LLC58,277$8.63M3.81%+38,823+199.6%Added
Nomura Asset Management International Inc.57,532$8.52M0.01%+57,532New
Timothy G. Youngquist 2020 Irrevocable Trust55,796$8.27M1.66%+7,909+16.5%Added
Rice Hall James & Associates, LLC55,769$8.26M0.40%−42,549−43.3%Reduced
Oak Ridge Investments LLC55,730$8.26M0.47%+17,730+46.7%Added
SG Americas Securities, LLC54,791$8.12M0.00%−141,117−72.0%Reduced
Greenwoods Asset Management Hong Kong Ltd.SuperinvestorGreenwoods Asset Management53,520$7.93M0.36%+53,520New
New York State Common Retirement Fund53,505$7.93M0.01%−104,898−66.2%Reduced
Kultura Capital Management LP53,345$7.90M3.63%+16,745+45.8%Added
Emerald Investment Advisers, LLC53,055$7.86M0.52%−5,020−8.6%Reduced
Vanguard Asset Management, Ltd52,733$7.81M0.01%+8,797+20.0%Added
Handelsbanken Fonder AB52,100$7.72M0.02%+52,100New
Deutsche Bank AG50,726$7.52M0.00%−15,795−23.7%Reduced
Next Century Growth Investors LLC49,989$7.41M0.39%−270,742−84.4%Reduced
Fund Resources Investment Holding Group Co Ltd49,988$7.41M0.91%+49,988New
AQR Capital Management LLC49,525$7.34M0.00%+18,753+60.9%Added